diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-09-24 09:56:20 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-09-24 09:56:20 +0200 |
commit | ebdd90a8cb2e3963f55499850f02ce6003558b55 (patch) | |
tree | d153f917ed41d257ddafa22f9cc2201bfddf8f9c /arch/sparc/include/asm/irqflags_32.h | |
parent | 3c9339049df5cc3a468c11de6c4101a1ea8c3d83 (diff) | |
parent | 72d31053f62c4bc464c2783974926969614a8649 (diff) |
Merge commit 'v2.6.27-rc7' into x86/pebs
Diffstat (limited to 'arch/sparc/include/asm/irqflags_32.h')
-rw-r--r-- | arch/sparc/include/asm/irqflags_32.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/irqflags_32.h b/arch/sparc/include/asm/irqflags_32.h new file mode 100644 index 00000000000..0fca9d97d44 --- /dev/null +++ b/arch/sparc/include/asm/irqflags_32.h @@ -0,0 +1,39 @@ +/* + * include/asm/irqflags.h + * + * IRQ flags handling + * + * This file gets included from lowlevel asm headers too, to provide + * wrapped versions of the local_irq_*() APIs, based on the + * raw_local_irq_*() functions from the lowlevel headers. + */ +#ifndef _ASM_IRQFLAGS_H +#define _ASM_IRQFLAGS_H + +#ifndef __ASSEMBLY__ + +extern void raw_local_irq_restore(unsigned long); +extern unsigned long __raw_local_irq_save(void); +extern void raw_local_irq_enable(void); + +static inline unsigned long getipl(void) +{ + unsigned long retval; + + __asm__ __volatile__("rd %%psr, %0" : "=r" (retval)); + return retval; +} + +#define raw_local_save_flags(flags) ((flags) = getipl()) +#define raw_local_irq_save(flags) ((flags) = __raw_local_irq_save()) +#define raw_local_irq_disable() ((void) __raw_local_irq_save()) +#define raw_irqs_disabled() ((getipl() & PSR_PIL) != 0) + +static inline int raw_irqs_disabled_flags(unsigned long flags) +{ + return ((flags & PSR_PIL) != 0); +} + +#endif /* (__ASSEMBLY__) */ + +#endif /* !(_ASM_IRQFLAGS_H) */ |